Python at Sun
Ted Leung
Principal Engineer, Dynamic Languages and Tools

Why?

PHP - 8.8%
Python - 4.7%
Perl - 4.3%
JavaScript - 3.3%
Ruby -3.1%

(September)
PHP - 9.2%
Python - 5%
Perl - 4.8%
JavaScript - 3.3%
Ruby - 2.7%

Runtimes

CPython
• Python 2.6 in OpenSolaris
• IPS written in Python
• DTrace probes for Python
• Sun WebStack

Jython 2.5
• Full CPython 2.3/2.4/2.5 language feature
support
• Java classes now come in as new-style
classes
• More Python apps run on Jython
• More standard libraries are supported
• ast.py from CPython 2.6

Jython
• 2 more betas, RC’s early Feb, final Mar?
• Community
• GlassFish (upcoming)

mlvm/DaVinci Machine
• Modify the JVM to support dynamic
languages better
• JSR-292
• JDK 7

mlvm/DaVinci Machine
• invokedynamic
• interface injection
• tail calls
• continuations

Tools

NBPython
• Community driven
• Allan Davis
• Jean-Yves Mengant
• Amit Saha
• Tor Norbye

NBPython
• Code completion
• Code Folding
• Semantic Highlighting / Instant Rename
• Debugger
• Platform Manager

NBPython
• Early Access atop NetBeans 6.5
• 1.0 in NetBeans 7.0
• CI builds or source for the brave

Challenges

• Migration
• Packaging
• Performance
• Concurrency
• Marketing/Evangelism